简约手绘风卡通化公园绿地景观河流树木小路桥梁设施俯

A hand-drawn master plan of a large urban park, top-down aerial view, flat 2D illustration, cartographic style, clean line work, minimalist color palette showing lawns, winding pathways, a central lake with a fountain, tree clusters, and scattered pavilions. Architectural drawing, site plan, --style raw --ar 16:9